{"product_id":"freesea-aysoner-25w-aquarium-heater-78-f-preset-24-7-stable-temperature-auto-off-out-of-water-1-5-gal","title":"FREESEA Aysoner 25W Aquarium Heater – 78°F Preset, 24\/7 Stable Temperature, Auto-Off Out of Water, 1–5 gal","description":"\u003ch2\u003eCompact, dependable warmth for small tanks\u003c\/h2\u003e\n\u003cp\u003eThe FREESEA Aysoner 25W Heater is designed for tight spaces where every inch of display matters. It helps maintain a near constant temperature around 78°F, with a small tolerance, to support a comfortable environment for your aquatic life without dominating the scene.\u003c\/p\u003e\n\u003cp\u003eEngineered for 1–5 gallon setups, this heater suits bettas, small fish, turtles, and even some delicate reef microenvironments. Its compact form slips neatly into community tanks, nano aquariums, or deskside displays, delivering steady heat without fuss.\u003c\/p\u003e\n\u003ch3\u003eWhy this heater stands out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConstant temperature around 78°F with a ±2°F margin, achieved through a magnesium oxide filling that distributes heat evenly.\u003c\/li\u003e\n  \u003cli\u003eTop water-out sensor automatically shuts off the unit when it is about 2 inches out of the water, helping prevent overheating or dry burns.\u003c\/li\u003e\n  \u003cli\u003eShatterproof quartz glass core paired with a smooth PC cover for durability and safer handling in homes and offices.\u003c\/li\u003e\n  \u003cli\u003eDual protection combines fixed temperature control with water-out shut-off, plus a protective cover for added safety.\u003c\/li\u003e\n  \u003cli\u003eEasy setup and reliable support: UL certified 4.9 ft power cord, two suction cups, and two thermometer stickers are included, plus a 1 year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal world use and scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall betta tanks or 1–5 gallon community setups where a discreet heater provides stable warmth without visual disruption.\u003c\/li\u003e\n  \u003cli\u003eTemporary office aquariums or home desks with a compact footprint and minimal maintenance.\u003c\/li\u003e\n  \u003cli\u003eSaltwater or reef microhabitats that benefit from a compact heater capable of reliable temperature control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get and how it helps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 compact heater designed for small tanks, keeping conditions predictable for everyday viewing and care.\u003c\/li\u003e\n  \u003cli\u003eTwo strong suction cups for flexible placement and a pair of thermometer stickers for quick temperature checks.\u003c\/li\u003e\n  \u003cli\u003eUL certified cord length of 4.9 feet paired with a simple plug setup for peace of mind.\u003c\/li\u003e\n  \u003cli\u003e1 year warranty backed by the brand to support your aquarium stability and satisfaction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tanks is the FREESEA Aysoner 25W heater best suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 1–5 gallon tanks, including betta, small goldfish, turtles, and reef microenvironments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the heater auto-shut off when water runs low?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. A top sensor powers off the unit when water level drops about 2 inches, helping prevent overheating.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FREESEA","offers":[{"title":"Default Title","offer_id":57208031445369,"sku":"B0GCHQNPCM","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/freesea-aysoneraquarium-heater-core-quartz.jpg?v=1777879128","url":"https:\/\/petlyvox.com\/products\/freesea-aysoner-25w-aquarium-heater-78-f-preset-24-7-stable-temperature-auto-off-out-of-water-1-5-gal","provider":"petlyvox","version":"1.0","type":"link"}